1438356126 has 24 divisors (see below), whose sum is σ = 3036091464. Its totient is φ = 454217040.

The previous prime is 1438356121. The next prime is 1438356191. The reversal of 1438356126 is 6216538341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438356121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329865 + ... + 334196.

It is an arithmetic number, because the mean of its divisors is an integer number (126503811).

Almost surely, 2^1438356126 is an apocalyptic number.

1438356126 is an abundant number, since it is smaller than the sum of its proper divisors (1597735338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438356126 is a wasteful number, since it uses less digits than its factorization.

1438356126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664104 (or 664085 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 1438356126 is about 37925.6657950787. The cubic root of 1438356126 is about 1128.8133641884.

The spelling of 1438356126 in words is "one billion, four hundred thirty-eight million, three hundred fifty-six thousand, one hundred twenty-six".